Projects/KDE on Windows

"KDE libraries and applications are available to you, no matter if you are a commercial developer, manager or free software hacker. You are invited to not only just use the toolkit - you can contribute your own solutions and improvements to the KDE community."

Konqi, the KDE mascot now also supporting MS Windows

The KDE on Windows Initiative is an ongoing project to port the KDE applications to MS Windows. Currently supported versions of Windows Vista, 7 and 8.